import { SchemeNetworkClient, PaymentRequirements, PaymentPayload, Network } from '@x402/core/types';
import { C as ClientEvmSigner } from '../../../signer-B127taDR.js';
import 'viem';

/**
 * EVM client implementation for the Exact payment scheme (V1).
 */
declare class ExactEvmSchemeV1 implements SchemeNetworkClient {
    private readonly signer;
    readonly scheme = "exact";
    /**
     * Creates a new ExactEvmClientV1 instance.
     *
     * @param signer - The EVM signer for client operations
     */
    constructor(signer: ClientEvmSigner);
    /**
     * Creates a payment payload for the Exact scheme (V1).
     *
     * @param x402Version - The x402 protocol version
     * @param paymentRequirements - The payment requirements
     * @returns Promise resolving to a payment payload
     */
    createPaymentPayload(x402Version: number, paymentRequirements: PaymentRequirements): Promise<Pick<PaymentPayload, "x402Version" | "payload"> & {
        scheme: string;
        network: Network;
    }>;
    /**
     * Sign the EIP-3009 authorization using EIP-712
     *
     * @param authorization - The authorization to sign
     * @param requirements - The payment requirements
     * @returns Promise resolving to the signature
     */
    private signAuthorization;
}

export { ExactEvmSchemeV1 };